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Proof step 14 from proof denom-neg-02 (previous step)

gcd(i, j) = 1, 0 < j ⊦ (~ rational(i, j)).denom = j

User applied rule insert rewrite lemma

And obtained the following new goals

Proof step 15:
⊦ ~ ri = 0r - ri
Proof step 16:
gcd(i, j) = 1, 0 < j ⊦ (0r - rational(i, j)).denom = j

Rule argument

name: neg-def rotate: F subst: [ri] → [rational(i, j)]

Additional information

Used terms: rational(i, j)